26th Mar 2026, 03:25 PM
Filtrete 18x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81x23.81x0.81 in)
Price may vary by location, shipping cost, and availability.
$42.50
Apply Coupon 15%
29% Off
$50.00
$59.75
Highest: $90.55
Average: $51.63
Lowest: $4.30
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of Filtrete 18x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81x23.81x0.81 in) here. This product's current Price in USA is $50.00. The average and highest prices are $51.63 and $90.55 respectively. The current offer price of the product is $42.50, which is $9.13 less than the average price.
| Lowest Ever Price | $4.30 |
|---|---|
| 27th Sep 2017 | |
| Average Price | $51.63 |
| Based on 5348 days price tracking | |
| Highest Price | $90.55 |
| 9th Aug 2018 | |
Price History of All Variants of Filtrete 18x24x1 AC Furnace Air Filter MERV...
Current Price in USA
| Price after Coupon or Discount | $42.50 |
|---|---|
| Price | $50.00 |
| MRP | $59.75 |
| Savings | $17.25 |
| Discount | 28.87% |
Recent Price Drops on Filtrete 18x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81x23.81x0.81 in)
Price Drop 25th Mar 2026
$60.38 → $50.00
17.19% drop
Offer Price Drop 25th Mar 2026
$51.32 → $42.50
17.19% drop
Offers: 15% Coupon
Price Drop 8th Jan 2026
$60.37 → $42.94
28.87% drop
Price Drop 22nd Dec 2025
$70.00 → $42.94
38.66% drop
Price Drop 19th Nov 2025
$57.73 → $42.94
25.62% drop
Price Drop 7th Oct 2025
$45.22 → $42.95
5.02% drop
Price Drop 6th Oct 2025
$53.20 → $45.22
15% drop
Price Drop 21st Sep 2025
$61.89 → $53.20
14.04% drop
Price Drop 26th Aug 2025
$61.89 → $53.20
14.04% drop
Price Drop 6th Aug 2025
$60.48 → $49.99
17.34% drop
Price Drop 4th Aug 2025
$53.20 → $49.98
6.05% drop
Price Drop 24th Jul 2025
$61.89 → $53.20
14.04% drop
Price Drop 13th Jul 2025
$62.65 → $42.95
31.44% drop
Price Drop 10th Jul 2025
$45.22 → $42.95
5.02% drop
Price Drop 7th Jul 2025
$53.20 → $45.22
15% drop
Price Drop 30th Jun 2025
$61.89 → $53.20
14.04% drop
Price Drop 19th Jun 2025
$60.48 → $53.20
12.04% drop
Price Drop 12th Jun 2025
$61.89 → $53.20
14.04% drop
Price Drop 7th Jun 2025
$58.56 → $53.20
9.15% drop
Price Drop 5th Jun 2025
$58.56 → $53.20
9.15% drop
Price Drop 4th May 2025
$56.79 → $43.49
23.42% drop
Price Drop 2nd May 2025
$49.99 → $47.00
5.98% drop
Price Drop 27th Apr 2025
$55.49 → $49.99
9.91% drop
Price Drop 1st Feb 2025
$55.49 → $43.98
20.74% drop
Price Drop 29th Jan 2025
$55.49 → $43.98
20.74% drop
Price Drop 26th Nov 2024
$55.49 → $43.98
20.74% drop
Price Drop 14th Nov 2024
$55.49 → $43.98
20.74% drop
Price Drop 6th Nov 2024
$55.49 → $43.98
20.74% drop
Price Drop 28th Oct 2024
$53.99 → $43.98
18.54% drop
Price Drop 18th Oct 2024
$53.99 → $43.98
18.54% drop
Price Drop 23rd Sep 2024
$53.99 → $43.98
18.54% drop
Price Drop 27th Aug 2024
$53.99 → $43.98
18.54% drop
Price Drop 12th Aug 2024
$53.99 → $43.98
18.54% drop
Price Drop 4th May 2024
$53.20 → $43.98
17.33% drop
Price Drop 30th Jan 2024
$47.99 → $27.99
41.68% drop
Price Drop 29th Jan 2024
$54.46 → $47.99
11.88% drop
Price Drop 27th Jan 2024
$61.65 → $56.09
9.02% drop
Price Drop 21st Dec 2023
$64.99 → $61.65
5.14% drop
Price Drop 23rd Aug 2023
$61.65 → $46.81
24.07% drop
Price Drop 16th Feb 2023
$53.99 → $45.00
16.65% drop
Price Drop 22nd Oct 2022
$53.99 → $45.00
16.65% drop
Price Drop 16th Oct 2022
$53.99 → $50.00
7.39% drop
Price Drop 21st Jun 2022
$53.94 → $49.99
7.32% drop
Price Drop 11th Feb 2022
$53.50 → $48.99
8.43% drop
Price Drop 24th Jan 2022
$53.99 → $47.00
12.95% drop
Price Drop 5th Jan 2022
$53.99 → $50.00
7.39% drop
Price Drop 13th Dec 2021
$53.85 → $50.00
7.15% drop
Price Drop 17th Feb 2021
$70.00 → $47.96
31.49% drop
Price Drop 28th Dec 2020
$69.99 → $47.96
31.48% drop
Price Drop 21st Dec 2020
$69.99 → $47.96
31.48% drop
Price Drop 4th Dec 2020
$70.00 → $47.96
31.49% drop
Price Drop 1st Dec 2020
$53.50 → $47.96
10.36% drop
Price Drop 24th Nov 2020
$54.99 → $47.96
12.78% drop
Price Drop 4th Nov 2020
$48.99 → $44.95
8.25% drop
Price Drop 27th Oct 2020
$56.59 → $49.99
11.66% drop
Price Drop 26th Oct 2020
$69.95 → $56.59
19.1% drop
Price Drop 22nd Oct 2020
$79.99 → $47.96
40.04% drop
Price Drop 11th Oct 2020
$65.00 → $49.99
23.09% drop
Price Drop 21st Sep 2020
$66.59 → $49.99
24.93% drop
Price Drop 3rd Sep 2020
$54.98 → $48.99
10.89% drop
Price Drop 4th Aug 2020
$56.50 → $47.96
15.12% drop
Price Drop 26th May 2020
$84.32 → $46.24
45.16% drop
Price Drop 31st Jan 2020
$56.59 → $51.52
8.96% drop
Price Drop 14th Jan 2020
$56.59 → $51.67
8.69% drop
Price Drop 4th Jan 2020
$56.59 → $51.55
8.91% drop
Price Drop 17th Dec 2019
$39.98 → $37.48
6.25% drop
Price Drop 16th Dec 2019
$47.96 → $39.98
16.64% drop
Price Drop 28th Feb 2019
$47.96 → $40.76
15.01% drop
Price Drop 26th Aug 2018
$90.55 → $46.76
48.36% drop
Price Drop 21st May 2018
$53.01 → $46.76
11.79% drop
Price Drop 10th Mar 2018
$53.01 → $46.49
12.3% drop
Price Drop 17th Oct 2017
$73.32 → $53.01
27.7% drop
Price Drop 26th Sep 2017
$53.01 → $4.30
91.89% drop
Price Drop 10th Sep 2017
$53.01 → $5.30
90% drop
Price Drop 6th Aug 2017
$73.27 → $53.01
27.65% drop
Price Drop 11th Jul 2017
$53.01 → $9.12
82.8% drop
Price Drop 8th Jul 2017
$72.23 → $53.01
26.61% drop
Price Drop 28th Jun 2017
$39.94 → $11.98
70.01% drop
Price Drop 25th Mar 2017
$39.94 → $9.76
75.56% drop
Price Drop 16th Mar 2017
$39.94 → $20.20
49.42% drop
Price Drop 28th Jan 2017
$53.69 → $39.94
25.61% drop
Price Drop 15th Jul 2016
$35.95 → $33.00
8.21% drop
Price Drop 30th Jul 2015
$53.18 → $35.50
33.25% drop
Price Drop 24th Jan 2015
$62.17 → $52.51
15.54% drop
Price Drop 18th Nov 2011
$87.92 → $49.86
43.29% drop
Product Information
Details
| Product Name | Filtrete 18x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 17.81x23.81x0.81 in) |
|---|---|
| Store Product Code | B005GZ8WIG |
| Store Name | amazon.com |
| Brand | Filtrete |
| Rating | 9.6 / 10 |
| Category | Furnace Filters |
| Product Manufacturer | 3M |
| Model Number | 9821-4 |
| Color | 18x24x1 |
| Size | 18x24x1 |
| Dimensions | 23.81"L x 0.81"W x 17.81"Th |
Features
- MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month pleated Filtrete 18x24x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
- EXCLUSIVE TECHNOLOGY: Designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
- COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
- CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
- CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
- VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
- SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
- MOST TRUSTED: Filtrete Brand is North Americas most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters
Images
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Rating and Reviews
9.6 Based on 24846 reviews
Filtrete 18x24x1 AC Furnace Air Filter MERV has 9.6 rating out of 10. This average rating is consist of 24846 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.